发明名称 Method for the preparation of 2-hydroxyarylaldehydes.
摘要 <p>A method for the preparation of a 2-hydroxyarylaldehyde which comprises reacting an aryloxymagnesium halide derived from a phenol having at least one free ortho position relative to the phenolic hydroxy group with formaldehyde or a formaldehyde-liberating compound under substantially anhydrous conditions in the presence of a polar organic solvent other than hexamethylphosphoramide or 1,3-dimethyl-3,4,5,6-2(1H)-pyrimidone.</p>
申请公布号 EP0583910(A1) 申请公布日期 1994.02.23
申请号 EP19930306115 申请日期 1993.08.03
申请人 ZENECA LIMITED 发明人 COX, BRIAN GEOFFREY;LEVIN, DANIEL
分类号 C07C47/565;C07C45/67;C07C45/68;(IPC1-7):C07C45/68 主分类号 C07C47/565
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